In this task you're given a question and you have to paraphrase the question to create the output question while retaining the meaning of the original question.

If you were given a chance to go back in time and change something, what would that be?
If you could go back in time and do one thing, what would it be?

How do you write an effective but gentle reminder email?
Is there any simple reminder app?

Why is the video quality on Android Snapchat so much worse than iOS Snapchat?

Why is the video quality of Snapchat on my S6 (Android) so bad?

